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About the Book

This is NOT the official book, but rather one used to test Pull Request changes for inclusion IN the official book. Please see instead for more information.

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About the Editor

Table of Contents

  • Installation
    • System requirements
    • Install the Go tools
  • Tools
    • The toolchain
  • Hello, Go
    • Why Go?
  • Variables & Data structures
    • Variables
    • Constants
    • Elementary types
    • Underlying data structures
    • Important points
    • array, slice, map
  • Control statements and Functions
    • Control statement
    • Functions
  • Struct
    • Basics of Struct
  • Object-oriented
    • methods
  • Interface
    • Interface
  • Concurrency
  • Managing the Workspace
    • Packages
    • Internal deployment
  • Web Programming Basics
    • HTTP Methods
    • What is a template?
    • Static Files
  • Basic web application
    • Handling URLs
    • Serving static files
    • Homework
  • Designing our web app
    • The Design
    • Homework
  • Using databases in Go
    • Creating and configuring database
    • Installing sqlite driver
  • Accessing the database
    • Importing driver
  • Retrieving Result Sets
    • Fetching Data from the Database
    • How Scan() Works
    • Preparing Queries
    • Single-Row Queries
  • Modifying Data and Using Transactions
    • Statements that Modify Data
    • Working with Transactions
  • Using Prepared Statements
    • Prepared Statements And Connections
    • Avoiding Prepared Statements
    • Prepared Statements in Transactions
    • Parameter Placeholder Syntax
  • Handling Errors
    • Errors From Iterating Resultsets
    • Errors From Closing Resultsets
    • Errors From QueryRow()
    • Identifying Specific Database Errors
    • Handling Connection Errors
  • Working with NULLs
  • Working with Unknown Columns
  • The connection pool
  • Surprises, Antipatterns and Limitations
    • Resource Exhaustion
    • Large uint64 Values
    • Connection State Mismatch
    • Database-Specific Syntax
    • Multiple Result Sets
    • Invoking Stored Procedures
    • Multiple Statement Support
  • Database Encapsulation
  • An Example
    • Homework
  • Working with Forms
    • CSRF
    • Input Validation
  • Uploading files
  • Templates
    • Sub templating
    • Homework
  • Authentication
    • Cookies
    • Sessions
    • Users
  • Files
  • Routing
  • Middlewares
    • Example
  • Building an API
    • JWT
    • Making an API call
    • Formatting a JSON document
    • Testing API
  • Writing an client
    • Getting the token
    • Error handling
    • Example
    • Advanced Usage
  • Unit Testing
  • Version Control Basics
    • Using git
    • Branching
    • Remote

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